Psychology continues to struggle with its replication and methodology crises. Preregistration is supposed to help by reviewing experimental procedures in advance. Sadly most studies deviate from their plans and don't tell anyone.

Behavior change is difficult—just ask any psychologist. A new study shows behavior change among psychologists is no different. Efforts to improve the robustness of research by asking psychologists to state their methods and goals ahead of time, a process called preregistration, have stumbled at the first hurdle. “Preregistration is not as easy ...